Try using https://cors-anywhere.herokuapp.com
<https://cors-anywhere.herokuapp.com/>
Best regards,
Bart
> On 21 Oct 2016, at 23:47, crossdomain via OL3 Dev
> <ol3-dev+apn2wqf5dbneldjyux_htxlxbsplez_0sowcjeme4edkgn7biq9oa...@googlegroups.com>
> wrote:
>
> Hello,
>
> With the script down i try to go cross domain and add a wfs to my map:
>
> This is my WFS call and this one don't works because it must go cross
> domain..
> With open sites it works.
>
> javascript:
>
> var layerWFS = new ol.layer.Vector({
> source: new ol.source.Vector({
> loader: function(extent) {
> $.ajax("http://gisopenbaar.overijssel.nl/data/B4/wfs?
> <https://geodata.nationaalgeoregister.nl/ahn2/wfs>", {
>
> type: 'GET',
> data: {
> service: 'WFS',
> version: '1.1.0',
> request: 'getfeature',
> typename: 'B4:Heidegebieden',
> srsname: 'EPSG:3857',
> bbox: extent.join(',') + ',EPSG:3857'
> },
> })
> .done(function(data) {
> layerWFS
> .getSource()
> .addFeatures(new ol.format.WFS()
> .readFeatures(data));
> });
> },
> strategy: ol.loadingstrategy.bbox,
> })
> });
>
> function WfsOn(){
> map.addLayer(layerWFS);
> }
> ____________________________________
> This is what i tried till now to get it crossdomain with YQL:
>
> html:
>
> <textarea id="wfsdata"></textarea>
>
> javascript:
>
> function wfsdata() {
> var site = "http://gisopenbaar.overijssel.nl/data/B4/wfs?
> <https://geodata.nationaalgeoregister.nl/ahn2/wfs>request=GetFeature&typename=B4:Heidegebieden
>
> <https://geodata.nationaalgeoregister.nl/ahn2/wfs?request=GetFeature&typename=ahn2:ahn2_bladindex>";
> // Take the provided url, and add it to a YQL query. Make sure you encode
> it!
> var yql1 = 'http://query.yahooapis.com/v1/public/yql?q=
> <http://query.yahooapis.com/v1/public/yql?q=>' + encodeURIComponent('select *
> from xml where url="' + site + '"') + '&format=xml&callback=?';
>
> // Request that YSQL string, and run a callback function.
> $.getJSON(yql, cbFunc);
>
> function cbFunc(data) {
> // what to do with the data.....
> if (data.results[0]) {
> var headline = data.results[0];
> wfsdata.value = headline;
> wfsgetdata();
>
> }
> // ELSE Foutmelding
> else alert('error.');
> }
> };
>
> function wfsgetdata() {
> var value = $("#wfsdata").val().replace(/\n/g, '</br>')
> $('#wfsdata).append(value);
> WfsOn();
>
> }
>
> var layerWFS = new ol.layer.Vector({
> source: new ol.source.Vector({
> loader: function(extent) {
> $.ajax(document.getElementById("wfsdata").value, {
> type: 'GET',
> data: {
> service: 'WFS',
> version: '1.1.0',
> request: 'getfeature',
> typename: 'B4:Heidegebieden',
> srsname: 'EPSG:3857',
> bbox: extent.join(',') + ',EPSG:3857'
> },
> })
> .done(function(data) {
> layerWFS
> .getSource()
> .addFeatures(new ol.format.WFS()
> .readFeatures(data));
> });
> },
> strategy: ol.loadingstrategy.bbox,
> })
> });
>
> function WfsOn(){
> map.addLayer(layerWFS);
> }
> The method:
> 1) with the YQL i get the xml data (hope the right data to load a wfs) cross
> domain and place it in the id=wfsdata
> 2) then i use the data from the id to do the add layerWFS call
>
> But it don't works..
> I thought maybe also works something like this way:
>
> function wfsdata() {
> var site = "http://gisopenbaar.overijssel.nl/data/B4/wfs?
> <https://geodata.nationaalgeoregister.nl/ahn2/wfs>request=GetFeature&typename=B4:Heidegebieden
>
> <https://geodata.nationaalgeoregister.nl/ahn2/wfs?request=GetFeature&typename=ahn2:ahn2_bladindex>";
> // Take the provided url, and add it to a YQL query. Make sure you encode
> it!
> var yql1 = 'http://query.yahooapis.com/v1/public/yql?q=
> <http://query.yahooapis.com/v1/public/yql?q=>' + encodeURIComponent('select *
> from xml where url="' + site + '"') + '&format=xml&callback=?';
>
> // Request that YSQL string, and run a callback function.
> $.getJSON(yql, cbFunc);
>
> function cbFunc(data) {
> // what to do with the data.....
> if (data.results[0]) {
> >>>>>>Push the data on the right place in the ajax call and add the wfs
> to the map. <<<<<<
> }
> // ELSE Foutmelding
> else alert('error.');
> }
> };
>
>
> Maybe someone can look at this....
> I hope to hear from you.
>
>
> Best regards
>
>
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